Besides the obvious of anatomy, chemistry, and biology, what are subjects that are good to study if one wants to become a medical researcher?More specially researching disease and the formation of vaccines.

Question

frostbite · Answer

$\textbf{Pharmacy }$- As a trained pharmacist you are expert in drugs in the areas of development, production, quality assurance, testing, registration and counseling - all steps in the process of drug development.

$\textbf{Medical Chemistry}$ - plan and implement advanced organic synthesis and modifications of eg peptides and proteins.

$\textbf{Molecular Biomedicine}$ - Molecular Biomedicine focuses on experimental molecular biology research on human diseases.

Those educations are what I can think of currently common for them all is:
1) Organic chemistry
2) Biochemistry
3) Drug creation and testing
4) Biology to some degree.

frostbite · Answer

Depending on what scale you want to do the research (molecular or macro) then you need courses that support that, for example as a medical researcher that does macro studies I can highly recommend $\textbf{systems biology}$.